Alec Baldwin has reprised in his role as Donald Trump for the latest episode of Saturday Night Live’s Weekend Update, identifying the US president as the true martyr of the tragic Charlottesville rally.

A 12-year-old singing ventriloquist has been awarded US$1 (A$1.3) million prize and her own Las Vegas show after taking the America's Got Talent crown on the season 12 finale of the NBC reality competition.

Winter crops forecast to hit record high

Good rainfall in September followed by a mild spring has helped boost winter crop production to a forecast record high.

Total production is expected to increase by nearly a third to a record high of 52.4 million tonnes.

Above-average rainfall in September, followed by mild spring conditions, had ensured good soil moisture for the critical grain development period, acting ABARES executive director Peter Gooday said on Tuesday.

Wheat production is forecast to rise by 35 per cent to a record 32.6 million tonnes, barley by 24 per cent and canola will reach its third-highest peak on record.

Chickpea production is also due to reach a record high of 1.2 million tonnes this year.

Mr Gooday said some regions had been hard hit by seasonal conditions.

"Across the nation, however, total production is forecast to be higher in every state," he said.